Patents by Inventor Michael J. Frigano

Michael J. Frigano has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for determining and recording boat compass deviation
    Patent number: 4241511
    Abstract: A method and apparatus for determining and recording boat compass deviation which includes a novel apparatus which may be oriented with respect to either a line of sight bearing or a compass reading and includes means for recording at predetermined annular increments the difference between the boat's compass heading and the magnetic heading of the vessel.
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: December 30, 1980
    Inventor: Michael J. Frigano